Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833709 | Remote telephone signaling circuitry and device | Ralph R. Pasinski | 1989-05-23 |
| 4707855 | Personalized telephone signaling circuitry and device, and methods of constructing and utilizing same | Ralph R. Pasinski, Warren C. Kocmond, Jr. | 1987-11-17 |